Resources
- Biological Control of Invasive Plants in the Eastern United States - USDA Forest Service
- Invasive Alien Plant Species of Virginia - Virginia DCR and Virginia Native Plant Society
- Global Invasive Species Database - Invasive Species Specialist Group
- Images, Video and Information - University of Florida - Center for Aquatic and Invasive Plants
Selected Images
 1237068 alligatorweed Alternanthera philoxeroides Flower(s) Robert H. Mohlenbrock |
 4723003 alligatorweed Alternanthera philoxeroides Flower(s) Gary Buckingham |
 5422950 alligatorweed Alternanthera philoxeroides Foliage Rebekah D. Wallace |
 1539030 alligatorweed Alternanthera philoxeroides Plant(s) James H. Miller |
 2117095 alligatorweed Alternanthera philoxeroides Foliage Chris Evans |
 2131098 alligatorweed Alternanthera philoxeroides Plant(s) Chris Evans |
 5376307 alligatorweed Alternanthera philoxeroides Fruit(s) Julia Scher |
 2117081 alligatorweed Alternanthera philoxeroides Infestation Chris Evans |
 2117087 alligatorweed Alternanthera philoxeroides Infestation Chris Evans |
 5306061 alligatorweed Alternanthera philoxeroides Plant(s) USDA PLANTS Database |
Maps
EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
Alternative content
State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org
Alternative content
Most Troublesome / Most Common Agricultural Weed List
This map identifies those states that consider this species either most troublesome or most common in at least one commodity. For more information, visit the MTMC project page.
Alternative content
| Legend | |
| No Data for this state | |
| Troublesome or Common weed in one or more crops | |
Invasive Listing Sources
- Alabama Invasive Plant Council
- Alabama Noxious Weeds - Class C Noxious Weed
- Alachua County Cogongrass Initiative
- Apalachicola Invasive Working Group - Low
- Arizona Noxious Weeds
- California Invasive Plant Council
- California Noxious Weeds
- East Central Florida CISMA
- Eric Ulaszek, U.S. Forest Service, Midewin National Tallgrass Prairie, Illinois
- Faith Campbell, 1998
- Florida Exotic Pest Plant Council - Category II
- Georgia Exotic Pest Plant Council - Category 1
- Gulf of Mexico Regional Panel, Aquatic Nuisance Species Annual Report, 2001
- Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
- John Randall, The Nature Conservancy, Survey of TNC Preserves, 1995.
- Mid-Atlantic Exotic Pest Plant Council, 2005
- Nonnative Invasive Species in Southern Forest and Grassland Ecosystems
- North Carolina Division of Parks and Recreation, Department of Environment and Natural Resources, 1998
- South Carolina Noxious Weeds
- Tennessee Exotic Pest Plant Council - Significant Threat
- Texas Noxious Weeds
- Treasure Coast Cooperative Invasive Species Mgmt. Area - EARLY DRAFT
- Virginia Department of Conservation and Recreation, 2009
- WeedUS - Database of Plants Invading Natural Areas in the United States
Taxonomic Rank
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Caryophyllidae |
| Order: Caryophyllales |
| Family: Amaranthaceae |
| Genus: Alternanthera |
Other System Links
Plants: ALPHBayer: ALRPH
GRIN: 101502
ITIS: 20770
NPDN Pest: PAFABBA
NPDN Host: 31794
Synonyms and Other Names
Other Common Names:
alligator weed, pig weed
Related Scientific Names:
| Achyranthes philoxeroides (Mart.) Griseb. | (Synonym) |
| Common Name Reference: | USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA. |
| Scientific Name Reference: | USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA. |
Invasive.org is a joint project of the Center for Invasive Species and Ecosystem Health and USDA APHIS PPQ, with additional support from USDA National Institute of Food and Agriculture and USDA Forest Service. |
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Last updated on Tuesday, May 04, 2010 at 02:41 PM